package com.ktjy.springredis.web.interceptor;

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.HandlerInterceptor;

import java.io.PrintWriter;

/**
 * @return 13141
 * 2025/7/21
 * 08:31
 */
public class AuthorizationInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
                             Object handler) throws Exception {
        if (request.getSession().getAttribute("loginUser") == null) {
            response.setContentType("text/html;charset=UTF-8");
            PrintWriter out = response.getWriter();
            out.print("<script>alert('请先进行登录，再进行后续操作！(Interceptor控制)');" +
                "location.href='"+request.getContextPath()+"/';</script>");
            return false;
        } else {
            return true;
        }
    }
}
